He has nothing to loose.
Check it out:

At times, one can only sit back and marvel at the fact that this man successfully marketed himself to the electorate as a pragmatist at heart and a would-be healer of sundry societal and political divisions. Barack Obama’s background, associations and voting record (such as it existed at the time) clearly demonstrated that he’d lived his adult life as an entrenched ideologue — the type of person of whom voters are typically suspicious. So he molded his message to elide and disguise his core character. He did so with the complicity of much of the media and has proceeded to allowed the mask to slip further and further as his presidency wears on. As the president prepares to address the nation in his first State of the Union Address since the midterms’ landslide Republican victories, White House sources say he’ll adopt a “defiant” posture: